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Address: No.11 Tianshan Road, North Industrial Zone, Shijiazhuang, Hebei, China.

Phone: 86-188-31115581

Contact name:Mr. GEORGE

SINO GROUP

City & Province	Shijiazhuang Hebei

Product Details

Crown Block

Crown block is necessary component used for drill rig or workover rig for lifting. The performance standard for crown block our compy supplied is API Spec 4F & 8C.

Main Feature of Crown Block:
• The sheave groove is quenching-treated, anti-abrasion with long service life
• Equipped with wireline award device, preventing the wireline from bouncing or falling off
• Equipped with bumping wood and protective net
• Equipped with gin pole for block servicing
• Equipped with sand block and auxiliary block
• The sheaves of crown block and mated traveling block are fully interchangeable.

Technical Specifications of Crown Block

Model	QWTC30	QWTC50	QWTC90	QWTC135	QWTC170	QWTC225	QWTC315	QWTC450
Max. hook load lbs(kN)	66,000 (300)	110,000 (500)	200,000 (900)	300,000 (1,350)	37,400 (1,700)	500,000(2,250)	700,000)(3,150)	1,000,000 (4,500)
Wireline Dia.in(mm)	15/16(24)	15/16 (24)	1(26)	1-1/8 (29)	1-1/8(29)	1-1/4 (32)	1-3/8 (35)	1-1/2 (38)
Sheave O.D. in(mm)	18-3/4(475)	24(610)	26(660)	40 (1,005)	40(1,005)	44 (1,120)	50 (1,270)	60 (1,524)
Sheave Qty.	4	5	5	5	6	6	7	7
Size (L xW xH) (mm)	738x 472�� 575	860�� 670�� 588	1,208�� 1,092�� 1,207	2,320�� 1,436�� 1,781	2,668�� 2,460�� 1,855	2,668�� 2,709�� 2,469	3,112�� 2,783�� 2,800	3,407�� 2,722�� 2,856
Weight lbs(kg)	540 (245)	1,023(464)	3,307 (1,500)	6,118(2,775)	9,988 (4,540)	11,594(5,270)	16,720 (7,600)	21,450 (9,750)